| New Britain to Olympia Heights (Florida) | 1,183.35 mi (1,904.42 km) |
| New Britain to Omaha (Nebraska) | 1,201.24 mi (1,933.21 km) |
| New Britain to On Top of the World Designated Place (Florida) | 1,018.60 mi (1,639.28 km) |
| New Britain to Onalaska (Wisconsin) | 944.53 mi (1,520.08 km) |
| New Britain to Oneida (New York) | 175.82 mi (282.96 km) |
| New Britain to Oneonta (New York) | 128.76 mi (207.22 km) |
| New Britain to Ontario (California) | 2,472.48 mi (3,979.08 km) |
| New Britain to Ontario (Oregon) | 2,217.38 mi (3,568.52 km) |
| New Britain to Opa-locka (Florida) | 1,170.17 mi (1,883.21 km) |
| New Britain to Opelika (Alabama) | 930.10 mi (1,496.85 km) |
| New Britain to Opelousas (Louisiana) | 1,319.30 mi (2,123.21 km) |
| New Britain to Orange (California) | 2,490.71 mi (4,008.41 km) |
| New Britain to Orange (Texas) | 1,413.48 mi (2,274.77 km) |
| New Britain to Orange City (Florida) | 1,001.13 mi (1,611.17 km) |
| New Britain to Orangeburg (South Carolina) | 717.21 mi (1,154.24 km) |
